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Data on fifth-grade test scores (reading and mathematics) for 420 school districts in California yield Y= 7044 and standard deviation sy 21.3 The 95% confidence interval for the mean test score in the population is ( (Round your responses to two decimal places) When the districts were divided into districts with small classes (<20 students per teacher) and large classes (220 students per teacher), the following results were found 702.36 706.44 Average Score (V) Standard Deviation (sy) 716.6 708.5 Class Size Small Large Is there statistically significant evidence that the districts with smaller classes have higher average test scores? The f-statistic for testing the null hypothesis is 4.05 (Round your response to two decimal places) The (1) (1) O large p-value O small p-value The p-value for the test is Is there statistically significant evidence that the districts with smaller classes have higher average test scores? suggests that the null hypothesis (2) (2) O cannot be rejected (3) Othere is O can be rejected there is no 21.1 19.5 (Round your response to six decimal places) Hint: Use the Excel function Norm S.Dist to help answer this question with a high degree of confidence. Hence, (3). n 236 181 statistically significant evidence idence that the

Data on fifth-grade test scores (reading and mathematics) for 420 school districts in California yield Y= 7044 and standard deviation sy 21.3 The 95% confidence interval for the mean test score in the population is ( (Round your responses to two decimal places) When the districts were divided into districts with small classes (<20 students per teacher) and large classes (220 students per teacher), the following results were found 702.36 706.44 Average Score (V) Standard Deviation (sy) 716.6 708.5 Class Size Small Large Is there statistically significant evidence that the districts with smaller classes have higher average test scores? The f-statistic for testing the null hypothesis is 4.05 (Round your response to two decimal places) The (1) (1) O large p-value O small p-value The p-value for the test is Is there statistically significant evidence that the districts with smaller classes have higher average test scores? suggests that the null hypothesis (2) (2) O cannot be rejected (3) Othere is O can be rejected there is no 21.1 19.5 (Round your response to six decimal places) Hint: Use the Excel function Norm S.Dist to help answer this question with a high degree of confidence. Hence, (3). n 236 181 statistically significant evidence idence that the

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Data on fifth-grade test scores (reading and mathematics) for 420 school districts in California yield Y= 704.4 and standard deviation sy 21.3 The 95% confidence interval for the mean test score in the population is ( ) (Round your responses to two decimal places) When the districts were divided into districts with small classes (<20 students per teacher) and large classes (220 students per teacher), the following results were found 702.36 706.44 Standard Deviation (sy) 21.1 19.5 The (1) (1) Class Size Small Large Is there statistically significant evidence that the districts with smaller classes have higher average test scores? The f-statistic for testing the null hypothesis is 4.05 (Round your response to two decimal places) The p-value for the test is Is there statistically significant evidence that the districts with smaller classes have higher average test scores? suggests that the null hypothesis (2) (2) O cannot be rejected (3) Othere is can be rejected there is no large p-value O small p-value Average Score (V) 716.6 708.5 n with a high degree of confidence. Hence, (3). 236 181 (Round your response to six decimal places) Hint: Use the Excel function Norm.S.Dist to help answer this question statistically significant evidence that the dis
Transcribed Image Text:Data on fifth-grade test scores (reading and mathematics) for 420 school districts in California yield Y= 704.4 and standard deviation sy 21.3 The 95% confidence interval for the mean test score in the population is ( ) (Round your responses to two decimal places) When the districts were divided into districts with small classes (<20 students per teacher) and large classes (220 students per teacher), the following results were found 702.36 706.44 Standard Deviation (sy) 21.1 19.5 The (1) (1) Class Size Small Large Is there statistically significant evidence that the districts with smaller classes have higher average test scores? The f-statistic for testing the null hypothesis is 4.05 (Round your response to two decimal places) The p-value for the test is Is there statistically significant evidence that the districts with smaller classes have higher average test scores? suggests that the null hypothesis (2) (2) O cannot be rejected (3) Othere is can be rejected there is no large p-value O small p-value Average Score (V) 716.6 708.5 n with a high degree of confidence. Hence, (3). 236 181 (Round your response to six decimal places) Hint: Use the Excel function Norm.S.Dist to help answer this question statistically significant evidence that the dis
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